package chapter02;

public class Example29 {
    public static void main(String[] args) {
        int[] arr = {9, 8, 3, 5, 2};
        System.out.println("冒泡排序前");
        prinArray(arr);
        bubbleSort(arr);
        prinArray(arr);

    }

    public static void prinArray(int[] arr) {
        for (int i = 0; i < arr.length; i++) {
            System.out.print(arr[i] + " ");
        }
        System.out.print("\n");
    }

    public static void bubbleSort(int[] arr) {
        //冒号排序
        //循环4轮  将四个数字放到指定位置

        for (int i = 0; i < arr.length - 1; i++) {
            for (int j = 0; j < arr.length - i - 1; j++) {
                int temp = arr[j];
                if (arr[j] > arr[j + 1]) {
                    arr[j] = arr[j + 1];
                    arr[j + 1] = temp;
                }
            }
            System.out.println("第"+(i+1)+"轮排序后");
        }
    }
}
